Scrolling zooms faster than it should
Select the objects or objects of interest.
Press Numpad .
(that is the period on the numpad)
Menu and Space bar alternatives which present a puzzle for me.

For blender 2.8-2.9:
The same action is now called &quot;Frame Selected&quot; and can be found in the view-menu of the 3d-viewport. The shortcut remains the same though.